import store from '@/store'
/**
 * Created by PanJiaChen on 16/11/18.
 */
/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string')) {
      if ((/^[0-9]+$/.test(time))) {
        // support "1548221490638"
        time = parseInt(time)
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), '/')
      }
    }
    if ((typeof time === 'number') && (time.toString()
        .length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    return value.toString()
      .padStart(2, '0')
  })
  return time_str
}
/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time)
    .length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()
  const diff = (now - d) / 1000
  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}
/**
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
  url = url == null ? window.location.href : url
  const search = url.substring(url.lastIndexOf('?') + 1)
  const obj = {}
  const reg = /([^?&=]+)=([^?&=]*)/g
  search.replace(reg, (rs, $1, $2) => {
    const name = decodeURIComponent($1)
    let val = decodeURIComponent($2)
    val = String(val)
    obj[name] = val
    return rs
  })
  return obj
}
/**
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
  // returns the byte length of an utf8 string
  let s = str.length
  for (var i = str.length - 1; i >= 0; i--) {
    const code = str.charCodeAt(i)
    if (code > 0x7f && code <= 0x7ff) s++
    else if (code > 0x7ff && code <= 0xffff) s += 2
    if (code >= 0xDC00 && code <= 0xDFFF) i--
  }
  return s
}
/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
  const newArray = []
  for (let i = 0; i < actual.length; i++) {
    if (actual[i]) {
      newArray.push(actual[i])
    }
  }
  return newArray
}
/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
  if (!json) return ''
  return cleanArray(
      Object.keys(json)
      .map(key => {
        if (json[key] === undefined) return ''
        return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
      })
    )
    .join('&')
}
/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split('?')[1])
    .replace(/\+/g, ' ')
  if (!search) {
    return {}
  }
  const obj = {}
  const searchArr = search.split('&')
  searchArr.forEach(v => {
    const index = v.indexOf('=')
    if (index !== -1) {
      const name = v.substring(0, index)
      const val = v.substring(index + 1, v.length)
      obj[name] = val
    }
  })
  return obj
}
/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
  const div = document.createElement('div')
  div.innerHTML = val
  return div.textContent || div.innerText
}
/**
 * Merges two objects, giving the last one precedence
 * @param {Object} target
 * @param {(Object|Array)} source
 * @returns {Object}
 */
export function objectMerge(target, source) {
  if (typeof target !== 'object') {
    target = {}
  }
  if (Array.isArray(source)) {
    return source.slice()
  }
  Object.keys(source)
    .forEach(property => {
      const sourceProperty = source[property]
      if (typeof sourceProperty === 'object') {
        target[property] = objectMerge(target[property], sourceProperty)
      } else {
        target[property] = sourceProperty
      }
    })
  return target
}
/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
  if (!element || !className) {
    return
  }
  let classString = element.className
  const nameIndex = classString.indexOf(className)
  if (nameIndex === -1) {
    classString += '' + className
  } else {
    classString =
      classString.substr(0, nameIndex) +
      classString.substr(nameIndex + className.length)
  }
  element.className = classString
}
/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
  if (type === 'start') {
    return new Date()
      .getTime() - 3600 * 1000 * 24 * 90
  } else {
    return new Date(new Date()
      .toDateString())
  }
}
/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait = 1500, immediate) {
  let timeout, args, context, timestamp, result
  const later = function () {
    // 据上一次触发时间间隔
    const last = +new Date() - timestamp
    // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last)
    } else {
      timeout = null
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
      if (!immediate) {
        result = func.apply(context, args)
        if (!timeout) context = args = null
      }
    }
  }
  return function (...args) {
    context = this
    timestamp = +new Date()
    const callNow = immediate && !timeout
    // 如果延时不存在，重新设定延时
    if (!timeout) timeout = setTimeout(later, wait)
    if (callNow) {
      result = func.apply(context, args)
      context = args = null
    }
    return result
  }
}
/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 * @param {Object} source
 * @returns {Object}
 */
export function deepClone(source) {
  if (!source && typeof source !== 'object') {
    throw new Error('error arguments', 'deepClone')
  }
  const targetObj = source.constructor === Array ? [] : {}
  Object.keys(source)
    .forEach(keys => {
      if (source[keys] && typeof source[keys] === 'object') {
        targetObj[keys] = deepClone(source[keys])
      } else {
        targetObj[keys] = source[keys]
      }
    })
  return targetObj
}
/**
 * @param {Array} arr
 * @returns {Array}
 */
export function uniqueArr(arr) {
  return Array.from(new Set(arr))
}
/**
 * @returns {string}
 */
export function createUniqueString() {
  const timestamp = +new Date() + ''
  const randomNum = parseInt((1 + Math.random()) * 65536) + ''
  return (+(randomNum + timestamp))
    .toString(32)
}
/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
  return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
}
/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
  if (!hasClass(ele, cls)) ele.className += ' ' + cls
}
/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
  if (hasClass(ele, cls)) {
    const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
    ele.className = ele.className.replace(reg, ' ')
  }
}
/**
 * 数字加千分号
 * @param {Object} num
 */
export function setSemicolon(num) {
  if (!num) {
    return ''
  }
  const res = num.toString()
    .replace(/\d+/, function (n) { // 先提取整数部分
      return n.replace(/(\d)(?=(\d{3})+$)/g, function ($1) {
        return $1 + ','
      })
    })
  return res
}
/**
 * 递归去除为空的子集
 * @param {Object} data
 */
export function getTreeData(data) {
  for (let i = 0; i < data.length; i++) {
    if (data[i].children.length < 1) {
      data[i].children = undefined
    } else {
      getTreeData(data[i].children)
    }
  }
  return data
}
/**
 * 获取id拼接集合
 * @param {Object} num
 */
export function listToString(list, key) {
  let str = ''
  list.forEach((e) => {
    if (key) {
      str += e[key] + ','
    } else {
      str += e + ','
    }
  })
  return str.substring(0, str.length - 1)
}
/**
 * 判断是否有按钮权限
 * @param {Object} str
 */
export function btnPower(str) {
  if (store.getters.permission_btns.findIndex(v => v == str) > -1) {
    return true
  } else {
    return false
  }
}
export function maskPhoneNumber(phoneNumber) {
  return phoneNumber.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2')
}
// 获取当前日期前某天的日期
export function getNextDate(date, day) {
  var dd = new Date(date)
  dd.setDate(dd.getDate() + day)
  var y = dd.getFullYear()
  var m = dd.getMonth() + 1 < 10 ? '0' + (dd.getMonth() + 1) : dd.getMonth() + 1
  var d = dd.getDate() < 10 ? '0' + dd.getDate() : dd.getDate()
  return y + '-' + m + '-' + d
}
// 获取本月第一天
export function getCurrentMonthFirst(_date) {
  var date = new Date(_date)
  date.setDate(1)
  var month = parseInt(date.getMonth() + 1)
  var day = date.getDate()
  if (month < 10) {
    month = '0' + month
  }
  if (day < 10) {
    day = '0' + day
  }
  return date.getFullYear() + '-' + month + '-' + day
}
// 获取当前月份的最后一天
export function getCurrentMonthLast(_date) {
  var date = new Date(_date)
  var currentMonth = date.getMonth()
  var nextMonth = ++currentMonth
  var nextMonthFirstDay = new Date(date.getFullYear(), nextMonth, 1)
  var oneDay = 1000 * 60 * 60 * 24
  var lastTime = new Date(nextMonthFirstDay - oneDay)
  var month = parseInt(lastTime.getMonth() + 1)
  var day = lastTime.getDate()
  if (month < 10) {
    undefined
    month = '0' + month
  }
  if (day < 10) {
    undefined
    day = '0' + day
  }
  return date.getFullYear() + '-' + month + '-' + day
}
export function getWeekRange(now) {
  const start = new Date(now)
  const end = new Date(now)
  // 设置本周第一天的时间为星期一（0为星期日）
  start.setDate(start.getDate() - start.getDay() + 1)
  end.setDate(end.getDate() + (7 - end.getDay()) % 7) // 使用模运算确保是下一周的第一天
  const start_week = parseTime(start, '{y}-{m}-{d}')
  const end_week = parseTime(end, '{y}-{m}-{d}')
  return [start_week, end_week]
}
// 获得本季度的开始月份
function getQuarterStartMonth(date) {
  var nowMonth = new Date(date)
    .getMonth() + 1 // 当前月
  var quarterStartMonth = 0
  if (nowMonth < 3) {
    quarterStartMonth = 0
  }
  if (nowMonth > 2 && nowMonth < 6) {
    quarterStartMonth = 3
  }
  if (nowMonth > 5 && nowMonth < 9) {
    quarterStartMonth = 6
  }
  if (nowMonth > 8) {
    quarterStartMonth = 9
  }
  return quarterStartMonth
}
// 获得某月的天数
function getMonthDays(myMonth) {
  var now = new Date() // 当前日期
  var nowMonth = now.getMonth() + 1 // 当前月
  var nowYear = now.getFullYear() // 当前年
  var monthStartDate = new Date(nowYear, myMonth, 1)
  var monthEndDate = new Date(nowYear, myMonth + 1, 1)
  var days = (monthEndDate - monthStartDate) / (1000 * 60 * 60 * 24)
  return days
}
// 获得本月最后一天
export function getMonthLastDay(date) {
  var nowMonth = date.getMonth() + 1 // 当前月
  var nowYear = date.getFullYear() // 当前年
  var lastDay = (new Date(new Date(nowYear, nowMonth, 1)
      .getTime() - 1000 * 60 * 60 * 24))
    .getDate()
  return lastDay
}
// 获得本季度的开始日期
export function getQuarterStartDate(date) {
  var nowYear = new Date(date)
    .getFullYear() // 当前年
  var quarterStartDate = new Date(nowYear, getQuarterStartMonth(date), 1)
  return getAllDate(quarterStartDate, 'yyyy-MM-dd')
}
// 获得本季度的结束日期
export function getQuarterEndDate(date) {
  var nowYear = new Date(date)
    .getFullYear() // 当前年
  var quarterEndMonth = getQuarterStartMonth(date) + 2
  var quarterStartDate = new Date(nowYear, quarterEndMonth, getMonthDays(
    quarterEndMonth))
  return getAllDate(quarterStartDate, 'yyyy-MM-dd')
}
// 获得日期
function getAllDate(date, fmt) {
  if (fmt == null || undefined == fmt || fmt == '') { fmt = 'yyyy/MM/dd' }
  var date = new Date(date)
  var o = {
    'M+': date.getMonth() + 1, // 月份
    'd+': date.getDate(), // 日
    'h+': date.getHours(), // 小时
    'm+': date.getMinutes(), // 分
    's+': date.getSeconds(), // 秒
    'q+': Math.floor((date.getMonth() + 3) / 3), // 季度
    'S': date.getMilliseconds() // 毫秒
  }
  if (/(y+)/.test(fmt)) {
    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '')
      .substr(4 -
        RegExp.$1.length))
  }
  for (var k in o) {
    if (new RegExp('(' + k + ')')
      .test(fmt)) {
      fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (('00' + o[k])
        .substr(('' + o[k])
          .length)))
    }
  }
  return fmt
}